]> scripts.mit.edu Git - autoinstallsdev/mediawiki.git/blobdiff - includes/api/ApiQueryUserContributions.php
MediaWiki 1.30.2
[autoinstallsdev/mediawiki.git] / includes / api / ApiQueryUserContributions.php
index 05c3d9459921a6b4cf5417eb74ded51f659f3ac5..bb0f335bcb9fda4d015ab2a740ada210deac7b31 100644 (file)
@@ -1,11 +1,10 @@
 <?php
-
-/*
- * Created on Oct 16, 2006
+/**
  *
- * API for MediaWiki 1.8+
  *
- * Copyright (C) 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
+ * Created on Oct 16, 2006
+ *
+ * Copyright © 2006 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  *
  * You should have received a copy of the GNU General Public License along
  * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
  */
 
-if (!defined('MEDIAWIKI')) {
-       // Eclipse helper - will be ignored in production
-       require_once ('ApiQueryBase.php');
-}
-
 /**
  * This query action adds a list of a specified user's contributions to the output.
- * 
- * @addtogroup API
+ *
+ * @ingroup API
  */
 class ApiQueryContributions extends ApiQueryBase {
 
-       public function __construct($query, $moduleName) {
-               parent :: __construct($query, $moduleName, 'uc');
+       public function __construct( ApiQuery $query, $moduleName ) {
+               parent::__construct( $query, $moduleName, 'uc' );
        }
 
-       private $params, $username;
+       private $params, $prefixMode, $userprefix, $multiUserMode, $idMode, $usernames, $userids,
+               $parentLens, $commentStore;
        private $fld_ids = false, $fld_title = false, $fld_timestamp = false,
-                       $fld_comment = false, $fld_flags = false;
+               $fld_comment = false, $fld_parsedcomment = false, $fld_flags = false,
+               $fld_patrolled = false, $fld_tags = false, $fld_size = false, $fld_sizediff = false;
 
        public function execute() {
-
                // Parse some parameters
                $this->params = $this->extractRequestParams();
 
-               $prop = array_flip($this->params['prop']);              
-               $this->fld_ids = isset($prop['ids']);
-               $this->fld_title = isset($prop['title']);
-               $this->fld_comment = isset($prop['comment']);
-               $this->fld_flags = isset($prop['flags']);
-               $this->fld_timestamp = isset($prop['timestamp']);
+               $this->commentStore = new CommentStore( 'rev_comment' );
+
+               $prop = array_flip( $this->params['prop'] );
+               $this->fld_ids = isset( $prop['ids'] );
+               $this->fld_title = isset( $prop['title'] );
+               $this->fld_comment = isset( $prop['comment'] );
+               $this->fld_parsedcomment = isset( $prop['parsedcomment'] );
+               $this->fld_size = isset( $prop['size'] );
+               $this->fld_sizediff = isset( $prop['sizediff'] );
+               $this->fld_flags = isset( $prop['flags'] );
+               $this->fld_timestamp = isset( $prop['timestamp'] );
+               $this->fld_patrolled = isset( $prop['patrolled'] );
+               $this->fld_tags = isset( $prop['tags'] );
+
+               // Most of this code will use the 'contributions' group DB, which can map to replica DBs
+               // with extra user based indexes or partioning by user. The additional metadata
+               // queries should use a regular replica DB since the lookup pattern is not all by user.
+               $dbSecondary = $this->getDB(); // any random replica DB
 
                // TODO: if the query is going only against the revision table, should this be done?
-               $this->selectNamedDB('contributions', DB_SLAVE, 'contributions');
-               $db = $this->getDB();
+               $this->selectNamedDB( 'contributions', DB_REPLICA, 'contributions' );
+
+               $this->requireOnlyOneParameter( $this->params, 'userprefix', 'userids', 'user' );
+
+               $this->idMode = false;
+               if ( isset( $this->params['userprefix'] ) ) {
+                       $this->prefixMode = true;
+                       $this->multiUserMode = true;
+                       $this->userprefix = $this->params['userprefix'];
+               } elseif ( isset( $this->params['userids'] ) ) {
+                       $this->userids = [];
+
+                       if ( !count( $this->params['userids'] ) ) {
+                               $encParamName = $this->encodeParamName( 'userids' );
+                               $this->dieWithError( [ 'apierror-paramempty', $encParamName ], "paramempty_$encParamName" );
+                       }
+
+                       foreach ( $this->params['userids'] as $uid ) {
+                               if ( $uid <= 0 ) {
+                                       $this->dieWithError( [ 'apierror-invaliduserid', $uid ], 'invaliduserid' );
+                               }
+
+                               $this->userids[] = $uid;
+                       }
+
+                       $this->prefixMode = false;
+                       $this->multiUserMode = ( count( $this->params['userids'] ) > 1 );
+                       $this->idMode = true;
+               } else {
+                       $anyIPs = false;
+                       $this->userids = [];
+                       $this->usernames = [];
+                       if ( !count( $this->params['user'] ) ) {
+                               $encParamName = $this->encodeParamName( 'user' );
+                               $this->dieWithError(
+                                       [ 'apierror-paramempty', $encParamName ], "paramempty_$encParamName"
+                               );
+                       }
+                       foreach ( $this->params['user'] as $u ) {
+                               if ( $u === '' ) {
+                                       $encParamName = $this->encodeParamName( 'user' );
+                                       $this->dieWithError(
+                                               [ 'apierror-paramempty', $encParamName ], "paramempty_$encParamName"
+                                       );
+                               }
+
+                               if ( User::isIP( $u ) ) {
+                                       $anyIPs = true;
+                                       $this->usernames[] = $u;
+                               } else {
+                                       $name = User::getCanonicalName( $u, 'valid' );
+                                       if ( $name === false ) {
+                                               $encParamName = $this->encodeParamName( 'user' );
+                                               $this->dieWithError(
+                                                       [ 'apierror-baduser', $encParamName, wfEscapeWikiText( $u ) ], "baduser_$encParamName"
+                                               );
+                                       }
+                                       $this->usernames[] = $name;
+                               }
+                       }
+                       $this->prefixMode = false;
+                       $this->multiUserMode = ( count( $this->params['user'] ) > 1 );
+
+                       if ( !$anyIPs ) {
+                               $dbr = $this->getDB();
+                               $res = $dbr->select( 'user', 'user_id', [ 'user_name' => $this->usernames ], __METHOD__ );
+                               foreach ( $res as $row ) {
+                                       $this->userids[] = $row->user_id;
+                               }
+                               $this->idMode = count( $this->userids ) === count( $this->usernames );
+                       }
+               }
 
-               // Prepare query
-               $this->prepareUsername();
                $this->prepareQuery();
 
-               //Do the actual query.
-               $res = $this->select( __METHOD__ );
+               $hookData = [];
+               // Do the actual query.
+               $res = $this->select( __METHOD__, [], $hookData );
+
+               if ( $this->fld_sizediff ) {
+                       $revIds = [];
+                       foreach ( $res as $row ) {
+                               if ( $row->rev_parent_id ) {
+                                       $revIds[] = $row->rev_parent_id;
+                               }
+                       }
+                       $this->parentLens = Revision::getParentLengths( $dbSecondary, $revIds );
+                       $res->rewind(); // reset
+               }
 
-               //Initialise some variables
-               $data = array ();
+               // Initialise some variables
                $count = 0;
                $limit = $this->params['limit'];
 
-               //Fetch each row
-               while ( $row = $db->fetchObject( $res ) ) {
-                       if (++ $count > $limit) {
-                               // We've reached the one extra which shows that there are additional pages to be had. Stop here...
-                               $this->setContinueEnumParameter('start', wfTimestamp(TS_ISO_8601, $row->rev_timestamp));
+               // Fetch each row
+               foreach ( $res as $row ) {
+                       if ( ++$count > $limit ) {
+                               // We've reached the one extra which shows that there are
+                               // additional pages to be had. Stop here...
+                               $this->setContinueEnumParameter( 'continue', $this->continueStr( $row ) );
                                break;
                        }
 
-                       $vals = $this->extractRowInfo($row);
-                       if ($vals)
-                               $data[] = $vals;
+                       $vals = $this->extractRowInfo( $row );
+                       $fit = $this->processRow( $row, $vals, $hookData ) &&
+                               $this->getResult()->addValue( [ 'query', $this->getModuleName() ], null, $vals );
+                       if ( !$fit ) {
+                               $this->setContinueEnumParameter( 'continue', $this->continueStr( $row ) );
+                               break;
+                       }
                }
 
-               //Free the database record so the connection can get on with other stuff
-               $db->freeResult($res);
-
-               //And send the whole shebang out as output.
-               $this->getResult()->setIndexedTagName($data, 'item');
-               $this->getResult()->addValue('query', $this->getModuleName(), $data);
+               $this->getResult()->addIndexedTagName(
+                       [ 'query', $this->getModuleName() ],
+                       'item'
+               );
        }
 
        /**
-        * Validate the 'user' parameter and set the value to compare
-        * against `revision`.`rev_user_text`
+        * Prepares the query and returns the limit of rows requested
         */
-       private function prepareUsername() {
-               $user = $this->params['user'];
-               if( $user ) {
-                       $name = User::isIP( $user )
-                               ? $user
-                               : User::getCanonicalName( $user, 'valid' );
-                       if( $name === false ) {
-                               $this->dieUsage( "User name {$user} is not valid", 'param_user' );
+       private function prepareQuery() {
+               // We're after the revision table, and the corresponding page
+               // row for anything we retrieve. We may also need the
+               // recentchanges row and/or tag summary row.
+               $user = $this->getUser();
+               $tables = [ 'page', 'revision' ]; // Order may change
+               $this->addWhere( 'page_id=rev_page' );
+
+               // Handle continue parameter
+               if ( !is_null( $this->params['continue'] ) ) {
+                       $continue = explode( '|', $this->params['continue'] );
+                       $db = $this->getDB();
+                       if ( $this->multiUserMode ) {
+                               $this->dieContinueUsageIf( count( $continue ) != 4 );
+                               $modeFlag = array_shift( $continue );
+                               $this->dieContinueUsageIf( !in_array( $modeFlag, [ 'id', 'name' ] ) );
+                               if ( $this->idMode && $modeFlag === 'name' ) {
+                                       // The users were created since this query started, but we
+                                       // can't go back and change modes now. So just keep on with
+                                       // name mode.
+                                       $this->idMode = false;
+                               }
+                               $this->dieContinueUsageIf( ( $modeFlag === 'id' ) !== $this->idMode );
+                               $userField = $this->idMode ? 'rev_user' : 'rev_user_text';
+                               $encUser = $db->addQuotes( array_shift( $continue ) );
                        } else {
-                               $this->username = $name;
+                               $this->dieContinueUsageIf( count( $continue ) != 2 );
+                       }
+                       $encTS = $db->addQuotes( $db->timestamp( $continue[0] ) );
+                       $encId = (int)$continue[1];
+                       $this->dieContinueUsageIf( $encId != $continue[1] );
+                       $op = ( $this->params['dir'] == 'older' ? '<' : '>' );
+                       if ( $this->multiUserMode ) {
+                               $this->addWhere(
+                                       "$userField $op $encUser OR " .
+                                       "($userField = $encUser AND " .
+                                       "(rev_timestamp $op $encTS OR " .
+                                       "(rev_timestamp = $encTS AND " .
+                                       "rev_id $op= $encId)))"
+                               );
+                       } else {
+                               $this->addWhere(
+                                       "rev_timestamp $op $encTS OR " .
+                                       "(rev_timestamp = $encTS AND " .
+                                       "rev_id $op= $encId)"
+                               );
                        }
-               } else {
-                       $this->dieUsage( 'User parameter may not be empty', 'param_user' );
                }
-       }
-       
-       /**
-        * Prepares the query and returns the limit of rows requested
-        */
-       private function prepareQuery() {
 
-               //We're after the revision table, and the corresponding page row for
-               //anything we retrieve.
-               list ($tbl_page, $tbl_revision) = $this->getDB()->tableNamesN('page', 'revision');
-               $this->addTables("$tbl_revision LEFT OUTER JOIN $tbl_page ON page_id=rev_page");
-               
-               $this->addWhereFld('rev_deleted', 0);
-               
-               // We only want pages by the specified user.
-               $this->addWhereFld( 'rev_user_text', $this->username );
+               // Don't include any revisions where we're not supposed to be able to
+               // see the username.
+               if ( !$user->isAllowed( 'deletedhistory' ) ) {
+                       $bitmask = Revision::DELETED_USER;
+               } elseif ( !$user->isAllowedAny( 'suppressrevision', 'viewsuppressed' ) ) {
+                       $bitmask = Revision::DELETED_USER | Revision::DELETED_RESTRICTED;
+               } else {
+                       $bitmask = 0;
+               }
+               if ( $bitmask ) {
+                       $this->addWhere( $this->getDB()->bitAnd( 'rev_deleted', $bitmask ) . " != $bitmask" );
+               }
 
+               // We only want pages by the specified users.
+               if ( $this->prefixMode ) {
+                       $this->addWhere( 'rev_user_text' .
+                               $this->getDB()->buildLike( $this->userprefix, $this->getDB()->anyString() ) );
+               } elseif ( $this->idMode ) {
+                       $this->addWhereFld( 'rev_user', $this->userids );
+               } else {
+                       $this->addWhereFld( 'rev_user_text', $this->usernames );
+               }
                // ... and in the specified timeframe.
-               $this->addWhereRange('rev_timestamp', 
+               // Ensure the same sort order for rev_user/rev_user_text and rev_timestamp
+               // so our query is indexed
+               if ( $this->multiUserMode ) {
+                       $this->addWhereRange( $this->idMode ? 'rev_user' : 'rev_user_text',
+                               $this->params['dir'], null, null );
+               }
+               $this->addTimestampWhereRange( 'rev_timestamp',
                        $this->params['dir'], $this->params['start'], $this->params['end'] );
+               // Include in ORDER BY for uniqueness
+               $this->addWhereRange( 'rev_id', $this->params['dir'], null, null );
 
-               $this->addWhereFld('page_namespace', $this->params['namespace']);
+               $this->addWhereFld( 'page_namespace', $this->params['namespace'] );
 
                $show = $this->params['show'];
-               if (!is_null($show)) {
-                       $show = array_flip($show);
-                       if (isset ($show['minor']) && isset ($show['!minor']))
-                               $this->dieUsage("Incorrect parameter - mutually exclusive values may not be supplied", 'show');
-
-                       $this->addWhereIf('rev_minor_edit = 0', isset ($show['!minor']));
-                       $this->addWhereIf('rev_minor_edit != 0', isset ($show['minor']));
+               if ( $this->params['toponly'] ) { // deprecated/old param
+                       $show[] = 'top';
                }
+               if ( !is_null( $show ) ) {
+                       $show = array_flip( $show );
+
+                       if ( ( isset( $show['minor'] ) && isset( $show['!minor'] ) )
+                               || ( isset( $show['patrolled'] ) && isset( $show['!patrolled'] ) )
+                               || ( isset( $show['top'] ) && isset( $show['!top'] ) )
+                               || ( isset( $show['new'] ) && isset( $show['!new'] ) )
+                       ) {
+                               $this->dieWithError( 'apierror-show' );
+                       }
 
-               $this->addOption('LIMIT', $this->params['limit'] + 1);
+                       $this->addWhereIf( 'rev_minor_edit = 0', isset( $show['!minor'] ) );
+                       $this->addWhereIf( 'rev_minor_edit != 0', isset( $show['minor'] ) );
+                       $this->addWhereIf( 'rc_patrolled = 0', isset( $show['!patrolled'] ) );
+                       $this->addWhereIf( 'rc_patrolled != 0', isset( $show['patrolled'] ) );
+                       $this->addWhereIf( 'rev_id != page_latest', isset( $show['!top'] ) );
+                       $this->addWhereIf( 'rev_id = page_latest', isset( $show['top'] ) );
+                       $this->addWhereIf( 'rev_parent_id != 0', isset( $show['!new'] ) );
+                       $this->addWhereIf( 'rev_parent_id = 0', isset( $show['new'] ) );
+               }
+               $this->addOption( 'LIMIT', $this->params['limit'] + 1 );
 
                // Mandatory fields: timestamp allows request continuation
-               // ns+title checks if the user has access rights for this page  
-               $this->addFields(array(
+               // ns+title checks if the user has access rights for this page
+               // user_text is necessary if multiple users were specified
+               $this->addFields( [
+                       'rev_id',
                        'rev_timestamp',
                        'page_namespace',
                        'page_title',
-                       ));
-                               
-               $this->addFieldsIf('rev_page', $this->fld_ids);
-               $this->addFieldsIf('rev_id', $this->fld_ids);
-               // $this->addFieldsIf('rev_text_id', $this->fld_ids); // Should this field be exposed?
-               $this->addFieldsIf('rev_comment', $this->fld_comment);
-               $this->addFieldsIf('rev_minor_edit', $this->fld_flags);
-
-               // These fields depend only work if the page table is joined
-               $this->addFieldsIf('page_is_new', $this->fld_flags);
+                       'rev_user',
+                       'rev_user_text',
+                       'rev_deleted'
+               ] );
+
+               if ( isset( $show['patrolled'] ) || isset( $show['!patrolled'] ) ||
+                       $this->fld_patrolled
+               ) {
+                       if ( !$user->useRCPatrol() && !$user->useNPPatrol() ) {
+                               $this->dieWithError( 'apierror-permissiondenied-patrolflag', 'permissiondenied' );
+                       }
+
+                       // Use a redundant join condition on both
+                       // timestamp and ID so we can use the timestamp
+                       // index
+                       $index['recentchanges'] = 'rc_user_text';
+                       if ( isset( $show['patrolled'] ) || isset( $show['!patrolled'] ) ) {
+                               // Put the tables in the right order for
+                               // STRAIGHT_JOIN
+                               $tables = [ 'revision', 'recentchanges', 'page' ];
+                               $this->addOption( 'STRAIGHT_JOIN' );
+                               $this->addWhere( 'rc_user_text=rev_user_text' );
+                               $this->addWhere( 'rc_timestamp=rev_timestamp' );
+                               $this->addWhere( 'rc_this_oldid=rev_id' );
+                       } else {
+                               $tables[] = 'recentchanges';
+                               $this->addJoinConds( [ 'recentchanges' => [
+                                       'LEFT JOIN', [
+                                               'rc_user_text=rev_user_text',
+                                               'rc_timestamp=rev_timestamp',
+                                               'rc_this_oldid=rev_id' ] ] ] );
+                       }
+               }
+
+               $this->addTables( $tables );
+               $this->addFieldsIf( 'rev_page', $this->fld_ids );
+               $this->addFieldsIf( 'page_latest', $this->fld_flags );
+               // $this->addFieldsIf( 'rev_text_id', $this->fld_ids ); // Should this field be exposed?
+               $this->addFieldsIf( 'rev_len', $this->fld_size || $this->fld_sizediff );
+               $this->addFieldsIf( 'rev_minor_edit', $this->fld_flags );
+               $this->addFieldsIf( 'rev_parent_id', $this->fld_flags || $this->fld_sizediff || $this->fld_ids );
+               $this->addFieldsIf( 'rc_patrolled', $this->fld_patrolled );
+
+               if ( $this->fld_comment || $this->fld_parsedcomment ) {
+                       $commentQuery = $this->commentStore->getJoin();
+                       $this->addTables( $commentQuery['tables'] );
+                       $this->addFields( $commentQuery['fields'] );
+                       $this->addJoinConds( $commentQuery['joins'] );
+               }
+
+               if ( $this->fld_tags ) {
+                       $this->addTables( 'tag_summary' );
+                       $this->addJoinConds(
+                               [ 'tag_summary' => [ 'LEFT JOIN', [ 'rev_id=ts_rev_id' ] ] ]
+                       );
+                       $this->addFields( 'ts_tags' );
+               }
+
+               if ( isset( $this->params['tag'] ) ) {
+                       $this->addTables( 'change_tag' );
+                       $this->addJoinConds(
+                               [ 'change_tag' => [ 'INNER JOIN', [ 'rev_id=ct_rev_id' ] ] ]
+                       );
+                       $this->addWhereFld( 'ct_tag', $this->params['tag'] );
+               }
+
+               if ( isset( $index ) ) {
+                       $this->addOption( 'USE INDEX', $index );
+               }
        }
-       
+
        /**
         * Extract fields from the database row and append them to a result array
+        *
+        * @param stdClass $row
+        * @return array
         */
-       private function extractRowInfo($row) {
+       private function extractRowInfo( $row ) {
+               $vals = [];
+               $anyHidden = false;
 
-               $vals = array();
+               if ( $row->rev_deleted & Revision::DELETED_TEXT ) {
+                       $vals['texthidden'] = true;
+                       $anyHidden = true;
+               }
 
-               if ($this->fld_ids) {
-                       $vals['pageid'] = intval($row->rev_page);
-                       $vals['revid'] = intval($row->rev_id); 
-                       // $vals['textid'] = intval($row->rev_text_id); // todo: Should this field be exposed?
+               // Any rows where we can't view the user were filtered out in the query.
+               $vals['userid'] = (int)$row->rev_user;
+               $vals['user'] = $row->rev_user_text;
+               if ( $row->rev_deleted & Revision::DELETED_USER ) {
+                       $vals['userhidden'] = true;
+                       $anyHidden = true;
                }
-               
-               if ($this->fld_title)
-                       ApiQueryBase :: addTitleInfo($vals, 
-                               Title :: makeTitle($row->page_namespace, $row->page_title));
-
-               if ($this->fld_timestamp)
-                       $vals['timestamp'] = wfTimestamp(TS_ISO_8601, $row->rev_timestamp);
-
-               if ($this->fld_flags) {
-                       if ($row->page_is_new)
-                               $vals['new'] = '';
-                       if ($row->rev_minor_edit)
-                               $vals['minor'] = '';
+               if ( $this->fld_ids ) {
+                       $vals['pageid'] = intval( $row->rev_page );
+                       $vals['revid'] = intval( $row->rev_id );
+                       // $vals['textid'] = intval( $row->rev_text_id ); // todo: Should this field be exposed?
+
+                       if ( !is_null( $row->rev_parent_id ) ) {
+                               $vals['parentid'] = intval( $row->rev_parent_id );
+                       }
                }
 
-               if ($this->fld_comment && !empty ($row->rev_comment))
-                       $vals['comment'] = $row->rev_comment;
+               $title = Title::makeTitle( $row->page_namespace, $row->page_title );
+
+               if ( $this->fld_title ) {
+                       ApiQueryBase::addTitleInfo( $vals, $title );
+               }
+
+               if ( $this->fld_timestamp ) {
+                       $vals['timestamp'] = wfTimestamp( TS_ISO_8601, $row->rev_timestamp );
+               }
+
+               if ( $this->fld_flags ) {
+                       $vals['new'] = $row->rev_parent_id == 0 && !is_null( $row->rev_parent_id );
+                       $vals['minor'] = (bool)$row->rev_minor_edit;
+                       $vals['top'] = $row->page_latest == $row->rev_id;
+               }
+
+               if ( $this->fld_comment || $this->fld_parsedcomment ) {
+                       if ( $row->rev_deleted & Revision::DELETED_COMMENT ) {
+                               $vals['commenthidden'] = true;
+                               $anyHidden = true;
+                       }
+
+                       $userCanView = Revision::userCanBitfield(
+                               $row->rev_deleted,
+                               Revision::DELETED_COMMENT, $this->getUser()
+                       );
+
+                       if ( $userCanView ) {
+                               $comment = $this->commentStore->getComment( $row )->text;
+                               if ( $this->fld_comment ) {
+                                       $vals['comment'] = $comment;
+                               }
+
+                               if ( $this->fld_parsedcomment ) {
+                                       $vals['parsedcomment'] = Linker::formatComment( $comment, $title );
+                               }
+                       }
+               }
+
+               if ( $this->fld_patrolled ) {
+                       $vals['patrolled'] = (bool)$row->rc_patrolled;
+               }
+
+               if ( $this->fld_size && !is_null( $row->rev_len ) ) {
+                       $vals['size'] = intval( $row->rev_len );
+               }
+
+               if ( $this->fld_sizediff
+                       && !is_null( $row->rev_len )
+                       && !is_null( $row->rev_parent_id )
+               ) {
+                       $parentLen = isset( $this->parentLens[$row->rev_parent_id] )
+                               ? $this->parentLens[$row->rev_parent_id]
+                               : 0;
+                       $vals['sizediff'] = intval( $row->rev_len - $parentLen );
+               }
+
+               if ( $this->fld_tags ) {
+                       if ( $row->ts_tags ) {
+                               $tags = explode( ',', $row->ts_tags );
+                               ApiResult::setIndexedTagName( $tags, 'tag' );
+                               $vals['tags'] = $tags;
+                       } else {
+                               $vals['tags'] = [];
+                       }
+               }
+
+               if ( $anyHidden && $row->rev_deleted & Revision::DELETED_RESTRICTED ) {
+                       $vals['suppressed'] = true;
+               }
 
                return $vals;
        }
 
-       protected function getAllowedParams() {
-               return array (
-                       'limit' => array (
-                               ApiBase :: PARAM_DFLT => 10,
-                               ApiBase :: PARAM_TYPE => 'limit',
-                               ApiBase :: PARAM_MIN => 1,
-                               ApiBase :: PARAM_MAX => ApiBase :: LIMIT_BIG1,
-                               ApiBase :: PARAM_MAX2 => ApiBase :: LIMIT_BIG2
-                       ),
-                       'start' => array (
-                               ApiBase :: PARAM_TYPE => 'timestamp'
-                       ),
-                       'end' => array (
-                               ApiBase :: PARAM_TYPE => 'timestamp'
-                       ),
-                       'user' => array (
-                               ApiBase :: PARAM_TYPE => 'user'
-                       ),
-                       'dir' => array (
-                               ApiBase :: PARAM_DFLT => 'older',
-                               ApiBase :: PARAM_TYPE => array (
+       private function continueStr( $row ) {
+               if ( $this->multiUserMode ) {
+                       if ( $this->idMode ) {
+                               return "id|$row->rev_user|$row->rev_timestamp|$row->rev_id";
+                       } else {
+                               return "name|$row->rev_user_text|$row->rev_timestamp|$row->rev_id";
+                       }
+               } else {
+                       return "$row->rev_timestamp|$row->rev_id";
+               }
+       }
+
+       public function getCacheMode( $params ) {
+               // This module provides access to deleted revisions and patrol flags if
+               // the requester is logged in
+               return 'anon-public-user-private';
+       }
+
+       public function getAllowedParams() {
+               return [
+                       'limit' => [
+                               ApiBase::PARAM_DFLT => 10,
+                               ApiBase::PARAM_TYPE => 'limit',
+                               ApiBase::PARAM_MIN => 1,
+                               ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
+                               ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
+                       ],
+                       'start' => [
+                               ApiBase::PARAM_TYPE => 'timestamp'
+                       ],
+                       'end' => [
+                               ApiBase::PARAM_TYPE => 'timestamp'
+                       ],
+                       'continue' => [
+                               ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
+                       ],
+                       'user' => [
+                               ApiBase::PARAM_TYPE => 'user',
+                               ApiBase::PARAM_ISMULTI => true
+                       ],
+                       'userids' => [
+                               ApiBase::PARAM_TYPE => 'integer',
+                               ApiBase::PARAM_ISMULTI => true
+                       ],
+                       'userprefix' => null,
+                       'dir' => [
+                               ApiBase::PARAM_DFLT => 'older',
+                               ApiBase::PARAM_TYPE => [
                                        'newer',
                                        'older'
-                               )
-                       ),
-                       'namespace' => array (
-                               ApiBase :: PARAM_ISMULTI => true,
-                               ApiBase :: PARAM_TYPE => 'namespace'
-                       ),
-                       'prop' => array (
-                               ApiBase :: PARAM_ISMULTI => true,
-                               ApiBase :: PARAM_DFLT => 'ids|title|timestamp|flags|comment',
-                               ApiBase :: PARAM_TYPE => array (
+                               ],
+                               ApiBase::PARAM_HELP_MSG => 'api-help-param-direction',
+                       ],
+                       'namespace' => [
+                               ApiBase::PARAM_ISMULTI => true,
+                               ApiBase::PARAM_TYPE => 'namespace'
+                       ],
+                       'prop' => [
+                               ApiBase::PARAM_ISMULTI => true,
+                               ApiBase::PARAM_DFLT => 'ids|title|timestamp|comment|size|flags',
+                               ApiBase::PARAM_TYPE => [
                                        'ids',
                                        'title',
                                        'timestamp',
                                        'comment',
-                                       'flags'
-                               )
-                       ),
-                       'show' => array (
-                               ApiBase :: PARAM_ISMULTI => true,
-                               ApiBase :: PARAM_TYPE => array (
+                                       'parsedcomment',
+                                       'size',
+                                       'sizediff',
+                                       'flags',
+                                       'patrolled',
+                                       'tags'
+                               ],
+                               ApiBase::PARAM_HELP_MSG_PER_VALUE => [],
+                       ],
+                       'show' => [
+                               ApiBase::PARAM_ISMULTI => true,
+                               ApiBase::PARAM_TYPE => [
                                        'minor',
                                        '!minor',
-                               )
-                       ),
-               );
+                                       'patrolled',
+                                       '!patrolled',
+                                       'top',
+                                       '!top',
+                                       'new',
+                                       '!new',
+                               ],
+                               ApiBase::PARAM_HELP_MSG => [
+                                       'apihelp-query+usercontribs-param-show',
+                                       $this->getConfig()->get( 'RCMaxAge' )
+                               ],
+                       ],
+                       'tag' => null,
+                       'toponly' => [
+                               ApiBase::PARAM_DFLT => false,
+                               ApiBase::PARAM_DEPRECATED => true,
+                       ],
+               ];
        }
 
-       protected function getParamDescription() {
-               return array (
-                       'limit' => 'The maximum number of contributions to return.',
-                       'start' => 'The start timestamp to return from.',
-                       'end' => 'The end timestamp to return to.',
-                       'user' => 'The user to retrieve contributions for.',
-                       'dir' => 'The direction to search (older or newer).',
-                       'namespace' => 'Only list contributions in these namespaces',
-                       'prop' => 'Include additional pieces of information',
-                       'show' => 'Show only items that meet this criteria, e.g. non minor edits only: show=!minor',
-               );
+       protected function getExamplesMessages() {
+               return [
+                       'action=query&list=usercontribs&ucuser=Example'
+                               => 'apihelp-query+usercontribs-example-user',
+                       'action=query&list=usercontribs&ucuserprefix=192.0.2.'
+                               => 'apihelp-query+usercontribs-example-ipprefix',
+               ];
        }
 
-       protected function getDescription() {
-               return 'Get all edits by a user';
-       }
-
-       protected function getExamples() {
-               return array (
-                       'api.php?action=query&list=usercontribs&ucuser=YurikBot'
-               );
-       }
-
-       public function getVersion() {
-               return __CLASS__ . ': $Id: ApiQueryUserContributions.php 24754 2007-08-13 18:18:18Z robchurch $';
+       public function getHelpUrls() {
+               return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Usercontribs';
        }
 }
-